 And so in those scenarios, you got to really make sure that we're not blocking up the soffit vents, right? Yes. So I think that's important. And then what are your thoughts about the different kinds of heat shields? You know, the stuff that you can tack up against the bottom of the rafters or you can lay out over the, you know, the... Well, I think they have some good effects, but I think I've seen in multiple occasions they have some bad effects too. So depending on how it's installed...